/* =========================================================
   ACADEMIC.CSS v7 — Clean grid layout, NO sidebar
   Used by: acm.php, regulation.php, ac.php
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root{
  --ac-bg:#f8fafc;
  --ac-dark:#0a1628;
  --ac-surface:#fff;
  --ac-border:#e2e8f0;
  --ac-blue:#0d47a1;--ac-blue-l:#42a5f5;--ac-blue-ll:#e3f2fd;
  --ac-green:#34AD54;--ac-purple:#7c3aed;--ac-gold:#f59e0b;
  --ac-pink:#ec4899;--ac-teal:#14b8a6;
  --ac-text:#1e293b;--ac-muted:#64748b;
  --ac-grad:linear-gradient(135deg,#0d47a1,#42a5f5);
  --ac-grad-p:linear-gradient(135deg,#7c3aed,#a78bfa);
  --ac-r:14px;--ac-r-sm:8px;
  --ac-shadow:0 2px 16px rgba(13,71,161,.07);
  --ac-shadow-lg:0 8px 32px rgba(13,71,161,.12);
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
body{font-family:'Inter',sans-serif;color:var(--ac-text);background:var(--ac-bg);overflow-x:hidden}

/* ====================================================
   HERO BANNER
   ==================================================== */
.ac-hero{
  position:relative;min-height:380px;
  display:flex;align-items:center;
  color:#fff;overflow:hidden;
  padding:120px 0 80px;
  background:
    linear-gradient(120deg, rgba(0,0,0,.78) 0%, rgba(0,0,0,.56) 48%, rgba(0,0,0,.72) 100%),
    url('../images/index/news-bg.jpeg') center/cover no-repeat;
}
.ac-hero__bg{
  display:none;
}
.ac-hero__inner{
  position:relative;z-index:5;max-width:1320px;width:100%;margin:0 auto;padding:0 32px;
}
.ac-hero__inner h1{
  font-size:clamp(2rem,5vw,3rem);font-weight:800;line-height:1.2;margin:0 0 16px;
  text-shadow:0 2px 12px rgba(0,0,0,0.5);
}
.ac-hero__inner h1 span{
  color:#fff;-webkit-text-fill-color:#fff;
}
.ac-hero__inner p{
  font-size:1rem;line-height:1.75;color:rgba(255,255,255,.92);margin:0 0 24px;max-width:560px;
}
.ac-hero__badges{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.ac-badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:6px 14px;border-radius:50px;font-size:.73rem;font-weight:600;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(6px);color:#fff;
}
.ac-badge i{color:#fff;font-size:.85rem}

/* ====================================================
   SECTIONS
   ==================================================== */
.ac-section{padding:48px 24px}
.ac-section--alt{background:#f1f5f9}
.ac-container{max-width:1080px;width:100%;margin:0 auto}

/* ====================================================
   SECTION HEADER
   ==================================================== */
.ac-sec-head{margin-bottom:22px}
.ac-sec-head--center{text-align:center}
.ac-pill{
  display:inline-flex;align-items:center;gap:5px;
  padding:5px 14px;border-radius:50px;
  background:var(--ac-blue-ll);color:var(--ac-blue);
  font-size:.72rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.7px;margin-bottom:10px;
}
.ac-sec-head h2{
  font-size:1.6rem;font-weight:800;color:var(--ac-dark);margin:0;line-height:1.3;
}
.ac-sec-head h2 span{
  background:var(--ac-grad);-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent;
}

/* ====================================================
   GRID LAYOUTS
   ==================================================== */
.ac-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ac-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ac-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

/* ====================================================
   CARDS — Info, icon, numbered
   ==================================================== */
.ac-card{
  background:var(--ac-surface);border-radius:var(--ac-r);
  padding:28px 24px;box-shadow:var(--ac-shadow);
  border:1px solid var(--ac-border);border-left:3px solid var(--ac-blue-l);
  transition:all .35s var(--ease);position:relative;overflow:hidden;
}
.ac-card::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at var(--mx,80%) var(--my,20%),rgba(13,71,161,.04) 0%,transparent 60%);
  opacity:0;transition:opacity .35s;
}
.ac-card:hover::before{opacity:1}
.ac-card:hover{
  transform:translateY(-4px);border-color:var(--ac-blue-l);
  box-shadow:0 12px 36px rgba(13,71,161,.13);
}
.ac-card__ic{
  width:42px;height:42px;border-radius:10px;
  display:grid;place-items:center;font-size:1.15rem;color:#fff;margin-bottom:14px;
}
.ac-card__ic--blue{background:var(--ac-grad)}
.ac-card__ic--green{background:linear-gradient(135deg,#388e3c,var(--ac-green))}
.ac-card__ic--purple{background:var(--ac-grad-p)}
.ac-card__ic--gold{background:linear-gradient(135deg,#f59e0b,#d97706)}
.ac-card__ic--teal{background:linear-gradient(135deg,#0d9488,var(--ac-teal))}
.ac-card__ic--pink{background:linear-gradient(135deg,#be185d,var(--ac-pink))}
.ac-card h3{font-size:.95rem;font-weight:700;color:var(--ac-dark);margin:0 0 8px}
.ac-card h4{
  font-size:1.05rem;font-weight:700;color:var(--ac-dark);margin:0 0 10px;
  display:flex;align-items:center;gap:8px;
}
.ac-card h4 i{
  font-size:1.2rem;color:var(--ac-blue);
  width:38px;height:38px;border-radius:10px;
  display:inline-grid;place-items:center;
  background:var(--ac-blue-ll);flex-shrink:0;
}
.ac-card p{font-size:.84rem;line-height:1.7;color:var(--ac-muted);margin:0}

/* Purple variant */
.ac-card--purple{border-left:3px solid var(--ac-purple)}
.ac-card--purple:hover{border-color:var(--ac-purple);box-shadow:0 12px 36px rgba(124,58,237,.12)}
.ac-card--purple::before{
  background:radial-gradient(circle at var(--mx,80%) var(--my,20%),rgba(124,58,237,.04) 0%,transparent 60%);
}
.ac-card--purple h3 i{color:var(--ac-purple);margin-right:4px}
.ac-card--purple h4 i{
  color:var(--ac-purple);background:#f3e8ff;
}

/* Numbered card */
.ac-card--num{padding-left:66px}
.ac-num{
  position:absolute;left:16px;top:20px;
  width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--ac-grad);color:#fff;font-weight:800;font-size:.8rem;
}

/* ====================================================
   TABS (regulation & calendar)
   ==================================================== */
.ac-tabs{display:flex;gap:8px;margin-bottom:20px}
.ac-tab{
  padding:8px 22px;border-radius:50px;border:2px solid var(--ac-border);
  background:#fff;font-family:inherit;font-size:.8rem;font-weight:700;
  color:var(--ac-muted);cursor:pointer;transition:all .3s;
}
.ac-tab.active{
  background:var(--ac-grad);color:#fff;border-color:transparent;
  box-shadow:0 3px 12px rgba(13,71,161,.2);
}
.ac-pane{display:none}
.ac-pane.active{display:block}

/* ====================================================
   BUTTONS
   ==================================================== */
.ac-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 22px;border-radius:50px;border:none;
  background:var(--ac-grad);color:#fff;font-family:inherit;
  font-size:.78rem;font-weight:700;cursor:pointer;
  box-shadow:0 3px 12px rgba(13,71,161,.2);transition:all .3s;
  text-decoration:none;
}
.ac-btn:hover{transform:translateY(-2px);box-shadow:0 5px 18px rgba(13,71,161,.3);color:#fff}
.ac-btn--purple{background:var(--ac-grad-p);box-shadow:0 3px 12px rgba(124,58,237,.2)}
.ac-btn--purple:hover{box-shadow:0 5px 18px rgba(124,58,237,.3)}

/* ====================================================
   DOWNLOAD CARDS — Calendar semester cards
   ==================================================== */
.ac-dl-card{
  background:var(--ac-surface);border-radius:var(--ac-r);
  padding:22px 18px;box-shadow:var(--ac-shadow);
  border:1px solid transparent;transition:all .3s;
  text-decoration:none;color:inherit;display:block;overflow:hidden;position:relative;
}
.ac-dl-card:hover{transform:translateY(-4px);border-color:var(--ac-border);box-shadow:var(--ac-shadow-lg);color:inherit}
.ac-dl-card__ic{
  width:40px;height:40px;border-radius:10px;
  display:grid;place-items:center;font-size:1.1rem;color:#fff;margin-bottom:12px;
}
.ac-dl-card__ic--blue{background:var(--ac-grad)}
.ac-dl-card__ic--teal{background:linear-gradient(135deg,#0d9488,var(--ac-teal))}
.ac-dl-card__ic--purple{background:var(--ac-grad-p)}
.ac-dl-card__ic--gold{background:linear-gradient(135deg,#f59e0b,#d97706)}
.ac-dl-card h4{font-size:.9rem;font-weight:700;color:var(--ac-dark);margin:0 0 4px}
.ac-dl-card p{font-size:.76rem;color:var(--ac-muted);margin:0 0 12px}
.ac-dl-card__act{
  display:inline-flex;align-items:center;gap:4px;
  font-size:.72rem;font-weight:700;color:var(--ac-blue);
  text-transform:uppercase;letter-spacing:.4px;
}
.ac-dl-card__act i{font-size:.8rem;transition:transform .3s}
.ac-dl-card:hover .ac-dl-card__act i{transform:translateX(3px)}
.ac-dl-card--soon{opacity:.6;pointer-events:none}
.ac-dl-card--soon .ac-dl-card__act{color:var(--ac-muted)}

/* ====================================================
   TABLE WRAPPER — DataTable
   ==================================================== */
.ac-tbl-wrap{
  background:var(--ac-surface);border-radius:var(--ac-r);
  overflow:hidden;box-shadow:var(--ac-shadow);border:1px solid var(--ac-border);
}
.ac-tbl-wrap .tbl-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;border-bottom:1px solid var(--ac-border);
}
.ac-tbl-wrap .tbl-label{font-weight:700;font-size:.82rem;color:var(--ac-blue);display:flex;align-items:center;gap:6px}
.ac-tbl-wrap .tbl-body{overflow-x:auto;padding:0 4px 4px}

/* DataTables overrides */
.dataTables_wrapper{padding:12px 14px}
.dataTables_wrapper .dataTables_filter input{
  border:1px solid var(--ac-border);border-radius:var(--ac-r-sm);padding:6px 12px;font-size:.82rem;
}
.dataTables_wrapper .dataTables_length select{
  border:1px solid var(--ac-border);border-radius:6px;padding:3px 6px;
}
table.dataTable thead th{
  background:var(--ac-blue-ll)!important;color:var(--ac-blue)!important;
  font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.7px;
  border-bottom:2px solid #bbdefb!important;
}
table.dataTable tbody td{
  padding:10px 14px!important;font-size:.84rem;color:var(--ac-text);
  border-bottom:1px solid #f1f5f9!important;
}
table.dataTable tbody tr:hover{background:var(--ac-blue-ll)!important}
table.dataTable.no-footer{border-bottom:none!important}
.m-name{font-weight:700;color:var(--ac-dark);display:block;margin-bottom:1px}
.m-sub{font-size:.78rem;color:var(--ac-muted);line-height:1.45}

/* ====================================================
   PDF MODAL (regulation page)
   ==================================================== */
.ac-pdf-overlay{
  position:fixed;inset:0;z-index:9999;
  background:rgba(10,22,40,.7);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:all .3s;
}
.ac-pdf-overlay.show{opacity:1;visibility:visible}
.ac-pdf-box{
  width:88vw;max-width:960px;height:82vh;
  background:#fff;border-radius:var(--ac-r);overflow:hidden;
  box-shadow:0 20px 60px rgba(0,0,0,.25);
  transform:translateY(20px) scale(.97);
  transition:transform .35s var(--ease);
}
.ac-pdf-overlay.show .ac-pdf-box{transform:translateY(0) scale(1)}
.ac-pdf-hdr{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;background:var(--ac-dark);color:#fff;
}
.ac-pdf-hdr span{font-weight:700;font-size:.85rem}
.ac-pdf-close{
  background:rgba(255,255,255,.1);border:none;color:#fff;
  width:34px;height:34px;border-radius:8px;
  display:grid;place-items:center;font-size:1rem;cursor:pointer;transition:background .2s;
}
.ac-pdf-close:hover{background:rgba(255,255,255,.2)}
.ac-pdf-body{height:calc(100% - 52px)}
.ac-pdf-body iframe{width:100%;height:100%;border:none}

/* ====================================================
   SCROLL REVEAL
   ==================================================== */
.ac-reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.ac-reveal.visible{opacity:1;transform:translateY(0)}
.ac-reveal.d2{transition-delay:.12s}
.ac-reveal.d3{transition-delay:.24s}
.ac-reveal.d4{transition-delay:.36s}

/* Wave divider */
.ac-hero-wave{
  position:absolute;bottom:-2px;left:0;width:100%;
  overflow:hidden;line-height:0;z-index:10;
}
.ac-hero-wave svg{display:block;width:100%;height:60px}

/* ====================================================
   RESPONSIVE
   ==================================================== */
@media(max-width:992px){
  .ac-hero{padding:100px 0 60px;min-height:auto}
  .ac-hero__inner{padding:0 20px}
  .ac-section{padding:36px 20px}
  .ac-grid-2{grid-template-columns:1fr}
  .ac-grid-3{grid-template-columns:1fr 1fr}
  .ac-grid-4{grid-template-columns:1fr 1fr}
}
@media(max-width:576px){
  .ac-hero{padding:90px 0 50px;min-height:auto}
  .ac-hero__inner h1{font-size:1.8rem}
  .ac-hero__inner{text-align:center}
  .ac-hero__inner p{margin:0 auto 24px}
  .ac-hero__badges{justify-content:center}
  .ac-section{padding:28px 16px}
  .ac-grid-3,.ac-grid-4{grid-template-columns:1fr}
  .ac-tabs{flex-wrap:wrap}
}